本文说明了IBM3880多路通道开关的硬件组织、功能开关的区分和组装考虑。 在许多系统配置中,需有多个数据通路动态地与存贮设备连接起来,系统之间的设备共享提高了子系统的利用率。并且能在这种配置中提高设备的潜在性能。提供共享的硬件机构是一套程序控制或是人工控制的开关组。由它完成从处理器到通道再通过存贮管理器最后到达设备的一条电子通路。开关可以置于存贮管理器内也可以置于设备里,主要依赖于设备的转接和获得的结果。 This article describes the IBM3880 multi-channel switch hardware organization, the distinction between functional switches and assembly considerations. In many system configurations, multiple data paths need to be dynamically connected to storage devices, and device sharing between systems increases subsystem utilization. And can improve the potential performance of the device in this configuration. The shared hardware organization is a set of program controlled or manually controlled switch banks. An electronic pathway by which it finishes reaching the device from the processor to the passage and then through the storage manager. The switch can be placed in the storage manager or placed in the device, depending on the device transfer and the result obtained.